copper(l) iodide; water; 1,8-diazabicyclo[5.4.0]undec-7-ene; bis-triphenylphosphine-palladium(II) chloride in benzene T=60°C; Sonogashira reaction; 18 h;

1: 2-methyl-but-3-yn-2-ol With copper(l) iodide; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride T=50°C; Sonogashira coupling; 1 h; 2: 1-bromo-2-chloro-benzene With potassium hydroxide; copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride T=110°C; Sonogashira coupling; 5 h;

potassium acetate in dimethyl sulfoxide T=110°C; Sonogashira coupling; 4 h;

in pyridine 12 h; Heating;

zinc T=200°C;

in hexane 1 h; Irradiation;

in acetone 48 h; Ambient temperatureIrradiation;

in hexane 2 h; Irradiation;